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autocorrelation_analysis.cc
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autocorrelation_analysis.cc
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// ------------------------------------------------------------------------ //
// Copyright 2021 SPTK Working Group //
// //
// Licensed under the Apache License, Version 2.0 (the "License"); //
// you may not use this file except in compliance with the License. //
// You may obtain a copy of the License at //
// //
// http://www.apache.org/licenses/LICENSE-2.0 //
// //
// Unless required by applicable law or agreed to in writing, software //
// distributed under the License is distributed on an "AS IS" BASIS, //
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. //
// See the License for the specific language governing permissions and //
// limitations under the License. //
// ------------------------------------------------------------------------ //
#include "SPTK/analysis/autocorrelation_analysis.h"
namespace sptk {
AutocorrelationAnalysis::AutocorrelationAnalysis(int frame_length,
int num_order,
bool waveform_input)
: waveform_input_(waveform_input),
waveform_to_autocorrelation_(NULL),
spectrum_to_autocorrelation_(NULL),
is_valid_(true) {
if (waveform_input_) {
waveform_to_autocorrelation_ =
new WaveformToAutocorrelation(frame_length, num_order);
is_valid_ = waveform_to_autocorrelation_->IsValid();
} else {
spectrum_to_autocorrelation_ =
new SpectrumToAutocorrelation(frame_length, num_order);
is_valid_ = spectrum_to_autocorrelation_->IsValid();
}
}
AutocorrelationAnalysis::~AutocorrelationAnalysis() {
if (waveform_input_) {
delete waveform_to_autocorrelation_;
} else {
delete spectrum_to_autocorrelation_;
}
}
bool AutocorrelationAnalysis::Run(
const std::vector<double>& input, std::vector<double>* autocorrelation,
AutocorrelationAnalysis::Buffer* buffer) const {
if (!is_valid_ || NULL == autocorrelation || NULL == buffer) {
return false;
}
if (waveform_input_) {
return waveform_to_autocorrelation_->Run(input, autocorrelation);
} else {
return spectrum_to_autocorrelation_->Run(input, autocorrelation,
&buffer->buffer_);
}
}
} // namespace sptk